Wheel Size: 16 Maximum load: 75kg Max speed: 40km/h Run distance: 40 - 50km Climbing angle: 12?(18? Battery: 48V12Ah, sealed maintenance free lead-acid battery Motor: 350W (brush less motor) Charger: AC220V/50HZ 110V/60HZ Charging period: 7-10hours Packing size: 1600*350*1000mm Container: 41pcs/20 82pcs/40 HQ